What makes a scientific revolution? Thomas Kuhn said it’s when a new paradigm blows the old scientific model out of the water. Fifty years later, we examine Kuhn's legacy, and talk with iconoclastic scientist Rupert Sheldrake, who says science is mired in untested dogmas. Also, stories of two...Read more
Intelligent. Optimistic. Curious.
Episode Archives
The way we think about animals often defies logic. In America, dogs may sleep on our beds, but in Korea, they often end up on the dinner plate. Some people may be horrified by a pet boa constrictor's appetite for live mice, but a cat that roams outside is a far deadlier killer. And...Read more
Imagine a country where Islam is the dominant religion but Christians, Jews and Muslims still live together peacefully – a place where philosophers from all three religions talk and debate openly. Well, there was once such a culture in the Middle Ages. For centuries, Al Andalus was the beacon of...Read more
Guns are a part of our national mythology. Just consider the Western, Annie Oakley, Daniel Boone -- it's hard to deny the role guns had in shaping America.
But what if all those stories were exaggerated at best? What if the gun myth was created in the 19th ...Read more
What do the opening notes of Beethoven’s “Symphony Number Five” and a rabbit named Oolong balancing a pancake on his head have in common? They’re both examples of memes – units of culture that are imitated and, as a result, copied from one brain to another. Are memes the driving...Read more
When did "fat" become a four-letter word? Leaders of the body acceptance movement say it's time to stop shaming fat people. In this hour, curvy girls and plus-size women talk about the emotional and physical costs of America's toxic obsession with weight and body image. Read more
For all the amazing discoveries that scientists have made, the cosmos is still full of mysteries - from dark matter to quantum entanglement. Will physicists ever explain the universe, or is it fundamentally unknowable? We explore the frontiers of physics and ponder what it means to live with...Read more
Boots on the Ground: Stories from the War in Iraq
Part Three
For many soldiers and Marines, war is not fundamentally about the mission. War is not really about the enemy. It's not even about patriotism. War is about the man to the...Read more
Say the name "Robert Krulwich" and hard-core public radio listeners start smiling. These days Robert does a lot of science journalism, even though he admits he's no expert. He believes everyone's interested, even though they think it's too hard for them. In this hour of To the Best of Our...Read more
Wisdom may come with age, but if you want to make scientific history, it pays to be young. Newton invented calculus before he turned 25. Einstein published his special theory of relativity when he was only 26. In this hour of To the Best of Our Knowledge, does genius slip away with age? Also...Read more
Did you know that novelist Thomas Hardy had a second career as a poet? Or that many people don't find their artistic passions until after the age of 85? In this hour of To the Best of Our Knowledge, we talk about change over time - that is, how change is really a lifelong project. A former monk...Read more
Do you believe in magic? In this hour of To the Best of Our Knowledge we’ll talk with some people who do. Join us for a conversation with America’s favorite witch – Starhawk. And uncover your own inner wizard! What Merlin, Dumbledore and Gandalf have to teach us all about living a life...Read more
More than 100 Native Americans nations have come to Standing Rock in solidarity to protest for water rights. This hour we ask a deceptively simple question: Who owns water?
...Read more
For journalists, the first days of Donald Trump’s presidency have been a bit surreal. We find ourselves wondering how legendary muckrakers might have reacted to some of these first press briefings. So delving into the TTBOOK...Read more
According to George Bernard Shaw, the seven deadly sins are food, clothing, firing, rent, taxes, respectability and children. This time on To the Best of Our Knowledge, we’ll explore the more traditional Seven Deadly Sins. Musician Joe Jackson will tell us how lust, gluttony and the other sins...Read more
Science and the Search for Meaning: Five Questions, Part Four: Can Islam and Science Coexist?
Islamic culture was once the center of the scientific world. During Europe's Dark Ages, Baghdad, Cairo and other Middle Eastern cities were the key repositories of ancient...Read more
Jesse Gilmour was fifteen-years-old and he was flunking every subject at school. So what did his father, David Gilmour, do? He told Jesse that he could drop out and that he wouldn't have to work or pay rent. All he had to do was watch three movies every week with his dad. Movies that his...Read more
When’s the last time you were wonderstruck? Would your life be richer for more wonder? What wonder is, how to make it, where to find it and what it does for us... we all get gently awed in this hour.Read more
When disaster strikes, photojournalists run toward it instead of away. Usually, with a camera in hand. Their job is to get up close to tragedy and danger, to document things we need to see, in the hopes of somehow making a difference. This hour we’re talking with some of the world’s great...Read more
From Boston to Berkeley, people are going raw. Vegetarians, vegans and Atkins followers are old hat – the hottest trend in food is cool. In this hour of To the Best of Our Knowledge, why the raw food movement has people turning off their ovens and trumpeting the healing powers of uncooked food...Read more
There are many ways to live dangerously. Sure, you can take part in a death defying feat like skydiving, but living dangerously also sometimes involves taking intellectual risks, opening up, and being honest with yourself. To the Best of Our Knowledge recently travelled to Salt Lake City to...Read more
Most people want to do the right thing. But what if your survival depended on doing something wrong? Something deeply repellent. Something evil. And what if the police told you to? In this hour of To the Best of Our Knowledge, the consequences of moral choices, from Nazi Germany to American...Read more
"Being a man, like being a woman, is something you have to learn." That's what Aaron Raz Link says. And Link should know. He began life as a girl named Sarah. And he started a new life as a gay man twenty-nine years later. In this hour of To the Best of Our Knowledge, we'll meet Aaron Raz Link,...Read more